What is a visual object? Evidence from target merging in multiple object tracking
نویسندگان
چکیده
منابع مشابه
What is a visual object? Evidence from target merging in multiple object tracking.
The notion that visual attention can operate over visual objects in addition to spatial locations has recently received much empirical support, but there has been relatively little empirical consideration of what can count as an 'object' in the first place. We have investigated this question in the context of the multiple object tracking paradigm, in which subjects must track a number of indepe...
متن کاملWhat is a visual object?
The concept of an 'object' plays a central role in cognitive science, particularly in vision, reasoning and conceptual development - but it has rarely been given a concrete formal definition. Here I argue that visual objects cannot be defined according to simple physical properties but can instead be understood in terms of the hierarchical organization of visual scene interpretations. Within th...
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While it was initially thought that attention was space-based, more recent work has shown that attention can also be object-based, in that observers find it easier to attend to different parts of the same object than to different parts of different objects. Such studies have shown that attention more easily spreads throughout an object than between objects. However, it is not known to what exte...
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BACKGROUND Tracking moving objects in space is important for the maintenance of spatiotemporal continuity in everyday visual tasks. In the laboratory, this ability is tested using the Multiple Object Tracking (MOT) task, where participants track a subset of moving objects with attention over an extended period of time. The ability to track multiple objects with attention is severely limited. Re...
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The multiple object tracking (MOT) task has been a useful tool for studying the deployment of limited-capacity visual resources over time. Since it involves sustained attention to multiple objects, this task is a promising model for real-world visual cognition. However, real-world tasks differ in two critical ways from standard laboratory MOT designs. First, in real-world tracking, it is unusua...
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ژورنال
عنوان ژورنال: Cognition
سال: 2001
ISSN: 0010-0277
DOI: 10.1016/s0010-0277(00)00157-8